79 lines
2.9 KiB
Python
Executable File
79 lines
2.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2020 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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import argparse
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import os
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import subprocess
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import tempfile
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script_folder = os.path.dirname(os.path.abspath(__file__))
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verify_script = os.path.join(script_folder,
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'gcc-changelog/git_check_commit.py')
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def replace_file_in_changelog(lines, filename):
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if not filename.endswith('.cc'):
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return
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# consider all componenets of a path: gcc/ipa-icf.cc
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while filename:
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for i, line in enumerate(lines):
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if filename in line:
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line = line.replace(filename, filename[:-1])
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lines[i] = line
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return
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parts = filename.split('/')
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if len(parts) == 1:
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return
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filename = '/'.join(parts[1:])
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Backport a git revision.')
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parser.add_argument('revision', help='Revision')
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args = parser.parse_args()
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subprocess.run('git cherry-pick -x %s' % args.revision, shell=True)
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# Update commit message if change for a .cc file was taken
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r = subprocess.run(f'{verify_script} HEAD', shell=True, encoding='utf8',
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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if r.returncode != 0:
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lines = r.stdout.splitlines()
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cmd = 'git show -s --format=%B'
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commit_message = subprocess.check_output(cmd, shell=True,
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encoding='utf8').strip()
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commit_message = commit_message.splitlines()
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todo = [line for line in lines if 'unchanged file mentioned' in line]
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for item in todo:
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filename = item.split()[-1].strip('"')
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replace_file_in_changelog(commit_message, filename)
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with tempfile.NamedTemporaryFile('w', encoding='utf8',
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delete=False) as w:
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w.write('\n'.join(commit_message))
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w.close()
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subprocess.check_output(f'git commit --amend -F {w.name}',
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shell=True, encoding='utf8')
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os.unlink(w.name)
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print(f'Commit message updated: {len(todo)} .cc file(s) changed.')
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